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Finding the Fourth Proportional to 161,908.30, 242,862.45 and 152,058.70

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Solution

The fourth proportional to 161,908.30, 242,862.45 and 152,058.70 is: 228,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,908.30 : 242,862.45 = 152,058.70 : x
  2. Step 2: Convert to fraction form
    161,908.30/242,862.45 = 152,058.70/x
  3. Step 3: Cross multiply
    161,908.30x = 242,862.45 × 152,058.70
  4. Step 4: Simplify right side
    161,908.30x = 36,929,348,425.82
  5. Step 5: Solve for x
    x = 36,929,348,425.82/161,908.30
  6. Step 6: Final answer
    x = 228,088.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.